Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters Q Science
The American Palaeozoic fossils : a catalogue of the genera and species, with names of authors, dates, places of publication, groups of rock in which found, and the etymology and signification of the words, and an introduction devoted to the stratigraphical geology of the Palæozoic rocks Q Science
A comparative study of the reactions of nitrosophenol and n-chloroquinonimine with aromatic amines Q Science
Species and varieties, their origin by mutation; lectures delivered at the University of California Q Science
